71121280

素因数分解:

$2^7\times 5^1\times {\mathrm{111127}}^1$

素因数の和:111146

約数の個数: 32

約数和(自身を含む): 170025840

約数和(自身を除く): 98904560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111127, 222254, 444508, 555635, 889016, 1111270, 1778032, 2222540, 3556064, 4445080, 7112128, 8890160, 14224256, 17780320, 35560640, 71121280]

約数ペア:

[(1, 71121280), (2, 35560640), (4, 17780320), (5, 14224256), (8, 8890160), (10, 7112128), (16, 4445080), (20, 3556064), (32, 2222540), (40, 1778032), (64, 1111270), (80, 889016), (128, 555635), (160, 444508), (320, 222254), (640, 111127)]